space exploration

Interview on Radio Freethinker, a skeptic's podcast, with comments on science communication, Carl Sagan, Pluto, and space exploration.

Answering viewer's Twitter questions backstage on space exploration, Europa, and aliens on Star Trek.

An interview in SanDiego.com about space exploration and policy, as well as science fiction and the upcoming book.

Citizen Radio interview on the importance of NASA, science education, and space exploration.

A discussion on the space program and space exploration policy, with reflections on the Space Shuttle era (1981-2011).

An interview about Pluto, an appearance on the Big Bang Theory television show, and how to rescue the space exploration program.

Neil and Jon discuss traveling to Mars, longevity, and the process of discovery.

Neil and Stephen discuss the future of space exploration in the United States.

An interview on Classical 89's Thinking Aloud with Wes Sims on the future of space exploration and education.

An interview about space exploration, Mars, and life on other planets on CBS's Early Show.